預加力 的英文怎麼說
中文拼音 [yùjiālì]
預加力
英文
pre applied force-
To the particular case under the small eccentricity compression, the method that the angle irons are strengthened on two - sides, but pre - stress is only put one side, can be adopted firstly
對于較小偏心的特殊情況,宜採用雙側角鋼,單側施加預應力的方法。The concrete is subject to high compressive stresses and these are generally greatest when the prestressing is first applied to the concrete.
這種混凝土要承受高的壓縮應力,而壓縮應力一般在混凝土初次施加預應力時最大。The dimensions or prestressing force and eccentricity require modification.
尺寸或預加力和偏心需要修改。Friction increases with increasing pretension.
摩擦力隨預加張力的增加而增加。Strengthening ill geologic section road chasm side slope with prestressed achor pile grid beam
預應力錨桿格梁加固不良地質地段路塹邊坡In order to considering the affections of the adjacent zone out of the girdler section, the internal - forces of two end surface which were obtained by the horizontal shaft system analysis are exerted on each model respectively. moreover, the weight, cable force and prestressing forces including girder longitudinal, diaphragm transverse and inclined web vertical directions are considered
考慮到梁段以外附近區域的作用,在其兩端面上施加了由平面桿系結構分析所得的端面內力,另外,索力和預加力(梁縱向、橫隔梁橫向、斜腹板豎向)也施加在相應的位置,分析了箱形主梁在自重、索力和預應力作用下的空間應力效應。Based on the destructive test of certain old pre - stressed concrete hollow slab after structural strengthening by cfs, the destructive mechanism and ultimate bearing capacity of old pre - stressed hollow slab after structural strengthening is being researched, which is useful for the strengthening design of old bridge and solvating of single slab problem
摘要通過某已使用10年的舊橋預應力混凝土空心板受拉區碳纖維布加固后的破壞荷載試驗研究,對受拉區加固后的舊橋預應力混凝土空心板的破壞機理、變形性能及極限承載能力等進行了研究,為舊橋預應力混凝土空心板的加固設計及單板受力問題的分析解決提供了試驗依據。The study put forward some policy advises : accelerate the legislation of agricultural organization, decrease administration doing. increase support force in policy, provide community facilities and services
最後提出減少行政干預、加快農民合作組織的立法、加大政策扶持力度、提供公共服務等政策建議。Later other prestressing methods with parallel wire or strand tendons were also used.
后來,又使用其它的預應方法,如利用平行鋼絲或鋼絞線施加預應力。Thus the use of these coefficients makes it easy to account for the variation in the prestressing force along the tendon.
因而,應用這些系數使得易於考慮預加力沿鋼筋的變化。The construction execution of prestressing work has many advantages such as : dry - work, rapidity, no organic adhesion agent, small space to be taken, the high efficiency of strengthening, so this way can be applied in the structures which request to improve bearing capacity largely and take small space after strengthening as well as other structures which will work in long time and in high temperature
預應力加固過程是干作業,施工速度快,不使用有機粘結劑,加固后佔用空間小,加固效率高,適用於要求大幅度提高承載力及加固后佔用空間小的混凝土結構,也適用於要求施工速度快,加固后使用年限長,工作環境溫度高的結構。Specification for hot rolled and hot rolled and processed high tensile alloy steel bars for the prestressing of concrete
混凝土預加應力用熱軋和熱軋並處理的高抗拉強度的合金鋼筋規范First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
)的全過程關系曲線。其次基於上面的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析,分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。Concrete, reinforced and prestressed concrete structures - part 100 : brick floors
加筋和預應力混凝土結構.第100部分:磚地Aim for the topic - study of prestressed lightweight concrete platform, from selecting style of the platform, to matching concrete material and admixture, to designing and building the model, to carrying out experiments of temperature field and stress performance, and analysis of finite element, some research work have been done as follows : 1
本文針對「輕質高強預應力混凝土平臺的研究」這一課題,從罐體結構型式的確定,混凝土基本材料及外加劑的選配,模型的設計製作,到模型結構在各種外荷載及溫度荷載作用下的受力性能試驗研究及罐體結構的有限元分析,展開了如下幾個方面的研究: 1Program can analyze the multi - girder curved bridge, by using the diatropic distributing theory. it can calculate the dynamic programming loading, by using the combined influence. it can analyze the internal force under the action with the prestressed force, by using the equivalent load method
程序採用橫向分佈的實用計算理論來處理多主梁曲線梁橋的空間受力分析問題;採用組合影響線來對曲線梁橋進行動態規劃加載;採用等代荷載法對曲線梁在預應力作用下的結構內力進行分析。Study on fbg sensing technology in bridge reinforcing monitoring and evaluation
體外預應力懸索分載法加固混凝土梁試驗研究The technology, which is developed on the basis of perfora ting techniques for oil wells and cement injection techniques, can not shoot thr ough the frozen pipe wall at predetermined ground location using energy - gatheri ng - blasting techniques, but also consolidate shaft wall rock by cement injectio n and filling along the frozen pipe and perforated hole s trajectories, achievi ng leakageproof of shaft walls and reducing vertically - added force
它利用聚能射孔爆破技術,在預定地層位置將凍結管射穿,同時在地面利用凍結管及射孔彈道對特定地層進行注漿充填加固,既可實現井壁堵漏,又能減少由於地層沉降對井壁的垂直附加力。Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams
本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法,著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。Based on the preceding theory and experiment researches, prestressing effects of prestressed steel - concrete composite continuous beams are mostly analyzed and discussed in this paper
基於前人理論與試驗研究的基礎上,本文主要探討預應力組合連續梁的預加力效應。分享友人